Hexamethylenetetramine
Hexamethylenetetramine (CAS: 100-97-0, C6H12N4, M.W.: 140.19) is a white crystalline organic compound. This versatile building block is widely employed in chemical synthesis, notably as a precursor for resins, dyes, and pharmaceuticals. Its unique cage-like structure also lends itself to applications in explosives and as a cross-linking agent. Tech Serve Solutions offers this key chemical intermediate with a high assay.
- IUPAC
- 1,3,5,7-Tetraazatricyclo[3.3.1.13,7]decane,Hexamine,Methenamine,Urotropine
- Synonyms
- HexamineMethenamineUrotropine1,3,5,7-Tetraazatricyclo[3.3.1.13,7]decane

Resin and Polymer Production
Hexamethylenetetramine serves as a crucial curing agent and cross-linker in the production of phenolic resins (bakelite) and urea-formaldehyde resins, enhancing their thermal stability and mechanical properties.
Organic Synthesis Intermediate
It functions as a source of formaldehyde and ammonia in various organic reactions, including the Duff reaction and the Sommelet reaction, for synthesizing complex molecules and nitrogen-containing compounds.
Explosives Manufacturing
RDX (Cyclotrimethylenetrinitramine), a powerful explosive, is synthesised using hexamethylenetetramine as a primary feedstock, highlighting its role in energetic materials.
Pharmaceutical Precursor
This compound is a building block in the synthesis pathway for certain pharmaceuticals, contributing to the development of medicinal compounds.
| Molecular weight | 140.19 |
|---|---|
| Empirical formula | C6H12N4 |
| Assay | 99% |
| Solubility | 1 M acetic acid: soluble0.5 M, clear, colorless |
| Vapour pressure | <0.01 mmHg (20 °C) |
| Autoignition temp | 770 °F |
| Impurities tested | <0.1% Insoluble matter |
| Melting point | 280 °C (subl.)(lit.) |


Hazard statements
- H228Flammable solid
- H317May cause an allergic skin reaction
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 250 °C / 482 °F |
| Transport (UN / ADR) | UN 1328 4.1 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-43 |
| Safety statements (S) | 24-37 |
| Cation traces | Al: Ca: Cu: Fe: K: Mg: NH4+: Na: Pb: Zn: <0.0005% |
| Anion traces | chloride (Cl-): sulfate (SO42-): 0.05% |
| Ignition residue | <0.1% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Hexamethylenetetramine used for?
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Hexamethylenetetramine is primarily used as a curing agent for phenolic and urea-formaldehyde resins, an intermediate in organic synthesis, a precursor for explosives, and in the synthesis of some pharmaceuticals.
What is the CAS number and formula for Hexamethylenetetramine?
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The CAS number for Hexamethylenetetramine is 100-97-0, and its empirical formula is C6H12N4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hexamethylenetetramine with an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should Hexamethylenetetramine be handled safely?
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Hexamethylenetetramine is a flammable solid (H228) and may cause an allergic skin reaction (H317). Handle with appropriate personal protective equipment including eyeshields, gloves, and respiratory protection, and keep away from heat and ignition sources. Always consult the Safety Data Sheet (SDS).
Is Hexamethylenetetramine a controlled substance?
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The provided data does not indicate that Hexamethylenetetramine is a controlled or scheduled substance under general chemical regulations. However, its use in the synthesis of explosives means it may be subject to specific monitoring or export controls in certain jurisdictions.
How is Hexamethylenetetramine packed and exported?
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Hexamethylenetetramine is typically shipped as UN 1328, Class 4.1, Packing Group III. Tech Serve Solutions adheres to all international shipping regulations for chemical exports.
How can I request a sample or quote for Hexamethylenetetramine?
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To request a sample or obtain a quotation for Hexamethylenetetramine, please contact our sales team through the website or by phone, providing your specific requirements.
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